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An Easy Weekend Visit
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Plan a Visit
An Easy Weekend Visit
Attractions on the Trail
The Keeper's House
Explore Online
Patch Program
Self-Guided Walks
Events
News
History
Newsletters
Newsletter Articles
Old Croton Aqueduct Bibliography
How New York Became the Empire City
About Us
Our Accomplishments
Stewardship
Tending the Trail
Stone Wall Restoration
Trail Improvements
Graffiti Campaign
Become a Member
Volunteer With Us in Dobbs Ferry – Join Our Team!
Our Board
Shop
Maps
FOCA Store on Zazzle
Books
SUPPORT US
Donate Now
Join or Renew your Membership
Graffiti Campaign
Read more
Read more
Read more
Read more
Read more
Read more
Next Three Open Events
Meandering among the Mansions of the Historic Millionaires – Irvington and Tarrytown Walk
Sat November 7, 2026 – 12:00 PM
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Register
Van Cortlandt Park Loop
Sat December 5, 2026 – 1:00 PM
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Register
Sleepy Hollow Loop Walk along the Aqueduct and within the Rockefeller Preserve
Sat December 12, 2026 – 1:00 PM
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Register
MORE EVENTS
Recent News
Trail improvement near Windrose on Hudson
October 29, 2026
|
DAlden
Read more
Restoring History: The Ongoing Story
October 29, 2026
|
Friends of the Old Croton Aqueduct and the Historic State Park Manager
Read more
Behold! The Keeper’s Scarecrow Parade in Dobbs Ferry
October 15, 2026
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Friends of the OCA
Read more